void techroom_ships_render(float frametime)
{
// render all the common stuff
tech_common_render();
if(Cur_entry_index == -1)
return;
// now render the trackball ship, which is unique to the ships tab
float rev_rate = REVOLUTION_RATE;
angles rot_angles, view_angles;
int z, i, j;
ship_info *sip = &Ship_info[Cur_entry_index];
model_render_params render_info;
if (sip->uses_team_colors) {
render_info.set_team_color(sip->default_team_name, "none", 0, 0);
}
// get correct revolution rate
z = sip->flags;
if (z & SIF_BIG_SHIP) {
rev_rate *= 1.7f;
}
if (z & SIF_HUGE_SHIP) {
rev_rate *= 3.0f;
}
// rotate the ship as much as required for this frame
Techroom_ship_rot += PI2 * frametime / rev_rate;
while (Techroom_ship_rot > PI2){
Techroom_ship_rot -= PI2;
}
// reorient ship
if (Trackball_active) {
int dx, dy;
matrix mat1, mat2;
if (Trackball_active) {
mouse_get_delta(&dx, &dy);
if (dx || dy) {
vm_trackball(-dx, -dy, &mat1);
vm_matrix_x_matrix(&mat2, &mat1, &Techroom_ship_orient);
Techroom_ship_orient = mat2;
}
}
} else {
// setup stuff needed to render the ship
view_angles.p = -0.6f;
view_angles.b = 0.0f;
view_angles.h = 0.0f;
vm_angles_2_matrix(&Techroom_ship_orient, &view_angles);
rot_angles.p = 0.0f;
rot_angles.b = 0.0f;
rot_angles.h = Techroom_ship_rot;
vm_rotate_matrix_by_angles(&Techroom_ship_orient, &rot_angles);
}
gr_set_clip(Tech_ship_display_coords[gr_screen.res][SHIP_X_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_Y_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_W_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_H_COORD], GR_RESIZE_MENU);
// render the ship
g3_start_frame(1);
g3_set_view_matrix(&sip->closeup_pos, &vmd_identity_matrix, sip->closeup_zoom * 1.3f);
// lighting for techroom
light_reset();
vec3d light_dir = vmd_zero_vector;
light_dir.xyz.y = 1.0f;
light_dir.xyz.x = 0.0000001f;
light_add_directional(&light_dir, 0.85f, 1.0f, 1.0f, 1.0f);
light_rotate_all();
// lighting for techroom
Glowpoint_use_depth_buffer = false;
model_clear_instance(Techroom_ship_modelnum);
render_info.set_detail_level_lock(0);
polymodel *pm = model_get(Techroom_ship_modelnum);
for (i = 0; i < sip->n_subsystems; i++) {
model_subsystem *msp = &sip->subsystems[i];
if (msp->type == SUBSYSTEM_TURRET) {
float p = 0.0f;
float h = 0.0f;
for (j = 0; j < msp->n_triggers; j++) {
// special case for turrets
p = msp->triggers[j].angle.xyz.x;
h = msp->triggers[j].angle.xyz.y;
}
if ( msp->subobj_num >= 0 ) {
model_set_instance_techroom(Techroom_ship_modelnum, msp->subobj_num, 0.0f, h );
}
if ( (msp->subobj_num != msp->turret_gun_sobj) && (msp->turret_gun_sobj >= 0) ) {
model_set_instance_techroom(Techroom_ship_modelnum, msp->turret_gun_sobj, p, 0.0f );
}
}
}
if(Cmdline_shadow_quality)
{
gr_reset_clip();
shadows_start_render(&Eye_matrix, &Eye_position, Proj_fov, gr_screen.clip_aspect, -sip->closeup_pos.xyz.z + pm->rad, -sip->closeup_pos.xyz.z + pm->rad + 200.0f, -sip->closeup_pos.xyz.z + pm->rad + 2000.0f, -sip->closeup_pos.xyz.z + pm->rad + 10000.0f);
render_info.set_flags(MR_NO_TEXTURING | MR_NO_LIGHTING | MR_AUTOCENTER);
model_render_immediate(&render_info, Techroom_ship_modelnum, &Techroom_ship_orient, &vmd_zero_vector);
shadows_end_render();
gr_set_clip(Tech_ship_display_coords[gr_screen.res][SHIP_X_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_Y_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_W_COORD], Tech_ship_display_coords[gr_screen.res][SHIP_H_COORD], GR_RESIZE_MENU);
}
if (!Cmdline_nohtl) {
gr_set_proj_matrix(Proj_fov, gr_screen.clip_aspect, Min_draw_distance, Max_draw_distance);
gr_set_view_matrix(&Eye_position, &Eye_matrix);
}
uint render_flags = MR_AUTOCENTER;
if(sip->flags2 & SIF2_NO_LIGHTING)
render_flags |= MR_NO_LIGHTING;
render_info.set_flags(render_flags);
model_render_immediate(&render_info, Techroom_ship_modelnum, &Techroom_ship_orient, &vmd_zero_vector);
Glowpoint_use_depth_buffer = true;
batch_render_all();
if (!Cmdline_nohtl)
{
gr_end_view_matrix();
gr_end_proj_matrix();
}
g3_end_frame();
gr_reset_clip();
}
void shadows_render_all(float fov, matrix *eye_orient, vec3d *eye_pos)
{
if ( Static_light.empty() ) {
return;
}
light *lp = *(Static_light.begin());
if( Cmdline_nohtl || !Cmdline_shadow_quality || !lp ) {
return;
}
//shadows_debug_show_frustum(&Player_obj->orient, &Player_obj->pos, fov, gr_screen.clip_aspect, Min_draw_distance, 3000.0f);
gr_end_proj_matrix();
gr_end_view_matrix();
// these cascade distances are a result of some arbitrary tuning to give a good balance of quality and banding.
// maybe we could use a more programmatic algorithim?
matrix light_matrix = shadows_start_render(eye_orient, eye_pos, fov, gr_screen.clip_aspect, 200.0f, 600.0f, 2500.0f, 8000.0f);
draw_list scene;
object *objp = Objects;
for ( int i = 0; i <= Highest_object_index; i++, objp++ ) {
bool cull = true;
for ( int j = 0; j < MAX_SHADOW_CASCADES; ++j ) {
if ( shadows_obj_in_frustum(objp, &light_matrix, &Shadow_frustums[j].min, &Shadow_frustums[j].max) ) {
cull = false;
break;
}
}
if ( cull ) {
continue;
}
switch(objp->type)
{
case OBJ_SHIP:
{
obj_queue_render(objp, &scene);
}
break;
case OBJ_ASTEROID:
{
model_render_params render_info;
render_info.set_object_number(OBJ_INDEX(objp));
render_info.set_flags(MR_IS_ASTEROID | MR_NO_TEXTURING | MR_NO_LIGHTING);
model_clear_instance( Asteroid_info[Asteroids[objp->instance].asteroid_type].model_num[Asteroids[objp->instance].asteroid_subtype]);
model_render_queue(&render_info, &scene, Asteroid_info[Asteroids[objp->instance].asteroid_type].model_num[Asteroids[objp->instance].asteroid_subtype], &objp->orient, &objp->pos);
}
break;
case OBJ_DEBRIS:
{
debris *db;
db = &Debris[objp->instance];
if ( !(db->flags & DEBRIS_USED)){
continue;
}
objp = &Objects[db->objnum];
model_render_params render_info;
render_info.set_flags(MR_NO_TEXTURING | MR_NO_LIGHTING);
submodel_render_queue(&render_info, &scene, db->model_num, db->submodel_num, &objp->orient, &objp->pos);
}
break;
}
}
scene.init_render();
scene.render_all(GR_ZBUFF_FULL);
shadows_end_render();
gr_zbias(0);
gr_zbuffer_set(ZBUFFER_TYPE_READ);
gr_set_cull(0);
gr_clear_states();
gr_set_buffer(-1);
GL_state.Texture.DisableAll();
gr_set_proj_matrix(Proj_fov, gr_screen.clip_aspect, Min_draw_distance, Max_draw_distance);
gr_set_view_matrix(&Eye_position, &Eye_matrix);
}
